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perf_counter: Provide hw_perf_counter_setup_online() APIs

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Provide weak aliases for hw_perf_counter_setup_online(). This is
used by the BTS patches (for v2.6.32), but it interacts with
fixes so propagate this upstream. (it has no effect as of yet)

Also export perf_counter_output() to architecture code.

Cc: Peter Zijlstra <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Ingo Molnar 2009-08-13 10:13:22 +02:00
commit 28402971d8
2 changed files with 11 additions and 1 deletions
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2
include/linux/perf_counter.h
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@ -694,6 +694,8 @@ struct perf_sample_data {
extern int perf_counter_overflow(struct perf_counter *counter, int nmi,
struct perf_sample_data *data);
extern void perf_counter_output(struct perf_counter *counter, int nmi,
struct perf_sample_data *data);
/*
* Return 1 for a software counter, 0 for a hardware counter